You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.1 KiB
46 lines
1.1 KiB
20 years ago
|
/* linux/include/asm-arm/arch-omap/debug-macro.S
|
||
|
|
*
|
||
|
|
* Debugging macro include header
|
||
|
|
*
|
||
|
|
* Copyright (C) 1994-1999 Russell King
|
||
|
|
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
.macro addruart,rx
|
||
|
|
mrc p15, 0, \rx, c1, c0
|
||
|
|
tst \rx, #1 @ MMU enabled?
|
||
|
|
moveq \rx, #0xff000000 @ physical base address
|
||
|
|
movne \rx, #0xfe000000 @ virtual base
|
||
|
|
orr \rx, \rx, #0x00fb0000
|
||
|
|
#ifdef CONFIG_OMAP_LL_DEBUG_UART3
|
||
|
|
orr \rx, \rx, #0x00009000 @ UART 3
|
||
|
|
#endif
|
||
|
|
#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3)
|
||
|
|
orr \rx, \rx, #0x00000800 @ UART 2 & 3
|
||
|
|
#endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro senduart,rd,rx
|
||
|
|
strb \rd, [\rx]
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart,rd,rx
|
||
|
|
1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends
|
||
|
|
and \rd, \rd, #0x60
|
||
|
|
teq \rd, #0x60
|
||
|
|
beq 1002f
|
||
|
|
ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only
|
||
|
|
and \rd, \rd, #0x60
|
||
|
|
teq \rd, #0x60
|
||
|
|
bne 1001b
|
||
|
|
1002:
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituart,rd,rx
|
||
|
|
.endm
|